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Fermat’s Principle of Least Time. Effects

Published 11.11.2010 Presenter Anton Pankratov
Tags: physics, science

Fermat’s Principle of Least Time. Effects.

Let’s consider some of effects of the least time principle which evokes a great deal of interest.
The first effect is the principle of reciprocity.
Let’s assume that we have already found the shortest way from A to B; then let’s go in the opposite direction (assuming that the light speed does not depend on the direction) ...